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USGS Daily Statistics for Idaho

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The statistics generated from this site are based on approved daily-mean data and may not match those published by the USGS in official publications. The user is responsible for assessment and use of statistics from this site. For more details on why the statistics may not match, click here.

USGS 12310100 KOOTENAI RIVER @ TRIBAL HATCHERY NR BONNERS FERRY


Boundary County, Idaho
Hydrologic Unit Code 17010104
Latitude  48°42'19", Longitude 116°22'11" NAD83
Gage datum 1,699.88 feet above NAVD88
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00060, Discharge, cubic feet per second,
Day of
month
Mean of daily mean values for each day for water year of record in, ft3/s   (Calculation Period 2002-10-01 -> 2019-09-30)

Calculation period restricted by USGS staff due to special conditions at/near site
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
1 9,590 6,300 7,110 14,700 20,600 29,400 21,800 14,000 10,900 7,520 6,510 19,100
2 9,080 6,170 6,940 14,600 21,000 30,800 21,400 13,800 10,200 6,820 7,430 21,800
3 9,280 6,410 7,010 14,700 21,100 31,400 21,300 13,700 9,830 6,360 7,970 22,400
4 9,010 6,890 7,070 14,700 21,400 30,900 21,200 13,600 9,410 6,110 8,060 22,100
5 8,720 7,070 7,370 14,800 22,100 30,700 20,900 13,600 8,960 5,980 8,290 22,400
6 8,460 7,180 7,780 15,200 22,600 29,500 20,300 13,600 8,940 5,930 8,550 22,400
7 7,980 7,530 8,070 15,500 23,000 29,100 20,000 13,500 8,700 5,890 9,870 22,800
8 7,830 8,250 8,600 16,000 23,200 29,600 19,300 13,300 8,700 5,920 10,400 23,800
9 7,610 8,390 9,030 16,500 23,400 29,700 18,500 13,300 8,720 5,870 10,700 23,500
10 7,520 7,900 9,350 16,700 23,300 29,500 18,300 13,200 8,730 5,790 11,400 22,800
11 7,700 7,700 8,940 16,800 23,100 30,100 18,300 13,200 8,670 5,700 11,800 22,300
12 8,410 7,690 9,220 17,200 23,900 30,100 18,000 13,200 8,580 5,560 12,400 23,000
13 8,500 7,780 10,200 17,700 24,100 29,900 17,700 13,000 8,510 5,450 12,600 23,000
14 8,280 8,020 10,500 17,400 24,300 29,700 17,500 13,100 8,440 5,500 13,200 23,700
15 7,830 8,280 11,100 17,800 24,900 29,800 17,400 13,000 8,430 5,690 14,400 24,000
16 7,250 8,280 12,900 17,700 27,400 29,400 17,200 12,900 8,370 5,690 15,100 22,600
17 7,660 7,830 13,200 17,500 29,000 29,300 17,000 12,900 8,170 5,660 15,200 21,800
18 8,420 7,310 12,600 17,600 29,600 28,900 16,700 12,700 8,120 5,570 16,600 21,500
19 8,170 7,730 13,100 17,500 29,700 27,900 16,400 12,600 8,070 5,480 18,100 21,800
20 7,890 8,200 12,800 17,300 29,800 27,500 15,800 12,500 8,080 5,510 19,200 22,100
21 7,370 8,140 12,300 17,900 29,700 27,400 15,700 12,600 8,180 5,630 19,200 21,700
22 7,430 8,130 12,600 18,700 30,600 26,800 15,400 12,400 8,200 5,610 17,600 21,500
23 7,450 7,850 13,300 19,400 31,900 26,100 15,000 12,200 8,120 5,580 16,400 20,700
24 7,820 7,220 13,500 19,900 31,900 25,200 14,800 12,100 8,090 5,550 15,900 19,300
25 7,790 6,910 14,500 20,400 31,700 24,600 14,700 12,000 8,090 5,500 15,300 16,900
26 7,750 7,110 14,500 20,500 31,200 24,400 14,400 11,900 8,070 5,480 15,100 16,000
27 7,610 7,210 14,400 20,600 30,300 24,000 14,000 11,700 8,000 5,560 14,900 16,900
28 7,180 7,190 14,300 20,700 29,900 23,300 13,900 11,600 7,860 5,700 15,100 17,100
29 7,130 7,080 14,300 20,400 29,800 22,800 13,900 11,600 7,820 5,660 15,600 15,600
30 7,130   13,800 20,300 29,300 22,600 14,000 11,600 7,770 5,660 16,300 12,900
31 6,720   13,900   29,100   14,100 11,300   5,900   10,800